Received: 25 December 2020
Accepted: 12 August 2021
First Online: 6 September 2021
: The study was approved by the Ethics Committee of The Fifth Affiliated Hospital of Sun Yat-Sen University, affiliated to Sun Yat-Sen University.
: All the authors agree to publish the manuscript in <i>BMC Musculoskeletal Disorders.</i>
: Each author certifies that he or she has no commercial associations (eg, consultancies, stock ownership, equity interest, patent/licensing arrangements, etc) that might pose a conflict of interest in connection with the submitted article.